svn commit: r356185 - in head: lib/geom lib/geom/sched sys/geom sys/geom/sched sys/modules/geom sys/modules/geom/geom_sched sys/sys

[Pedro Giffuni]

On 2019-12-30 06:32, Alexey Dokuchaev wrote:
> On Sun, Dec 29, 2019 at 09:16:04PM +0000, Alexander Motin wrote:
>> New Revision: 356185
>> URL: https://svnweb.freebsd.org/changeset/base/356185
>>
>> Log:
>>   Remove GEOM_SCHED class and gsched tool.
>>   
>>   This code was not actively maintained since it was introduced 10 years ago.
>>   It lacks support for many later GEOM features, such as direct dispatch,
>>   unmapped I/O, stripesize/stripeoffset, resize, etc.  Plus it is the only
>>   remaining use of GEOM nstart/nend request counters, used there to implement
>>   live insertion/removal, questionable by itself.
> Wow, that was unexpected, I use it on all my machines' HDD drives.


There was a posting by mav@ on the -arch list : " gsched: modernize or
remove?".

It was a short notice (Dec 27), but there was strong agreement from the
author.

> Is there a planned replacement, or I'd better create a port for the
> GEOM_SCHED class and gsched(8) tool?

If you can convince someone to update it with the enhancements suggested
in the -arch post, I guess it could be resurrected, otherwise a port.

Pedro.